What agents of erosion are assisted by the force of gravity

What is the most appropriate method of gaining weight (muscle mass)

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now